Many of the documents listed below are PDF (Portable Document Format) files.

About PDF files

• EPA's Diesel Fuel Regulations
  http://www.epa.gov/oms/regs/fuels/diesel/diesel.htm
  
  
• Idling Reduction: National Transportation Idle-Free Corridors
  http://www.epa.gov/otaq/smartway/idling.htm
  
  
• EPA's Study of Exhaust Emissions from Idling Heavy-Duty Diesel Trucks and Commercially Available Idle-Reducing Devices. October 2002.
  http://www.epa.gov/otaq/retrofit/documents/r02025.pdf
  
  
• State Anti-Idling Regulations: (Document: EPA420-S-03-002 February 2003)
  http://www.epa.gov/otaq/retrofit/documents/s03002.pdf
  
  
• Retrofitting Benefits:
     National Clean Diesel Campaign (NCDC)
     Voluntary Diesel Retrofit Program